The Rinne Sharingan (輪廻写輪眼, Literally meaning: Saṃsāra Copy Wheel Eye) is a dōjutsukekkei mōra and the predecessor to the Rinnegan and Sharingan. It is characterised by red sclerae and irides, with a ripple pattern spreading over the eyeball and nine tomoe.

Trivia

The Ten-Tails' Rinne Sharingan depicted with six tomoe.

The kanji "Rin" (輪, Literally meaning: Wheel) is also used in Sharingan and Rinnegan, potentially linking the three terms etymologically.

When the Ten-Tails was revived by Obito, its eye was consistently depicted with only six tomoe.[10] This may be a result of the beast being revived in an incomplete form due to the Demonic Statue of the Outer Path having absorbed onlyfragments of Gyūki and Kurama's chakra.[11] When the beast transformed into a construct of the God Tree, its eye was shown to possess nine tomoe once more.[12]

Sasuke referred to the Infinite Tsukuyomi as a genjutsu cast by the Rinnegan.[13]

Despite not possessing the Rinne Sharingan himself, Obito Uchiha attempted to cast the Infinite Tsukuyomi by manifesting a construct of the God Tree outside of his body as the Ten-Tails' jinchūriki.[14]

There have been a number of times the dōjutsu has been depicted incorrectly: